<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>device_upgrade</title>
</head>
<body>

<form method="POST" action="{% url 'device_upgrade' %}">
    <label>
        <input type="text" value="{{ my_form.username }}" name="username" max="20" placeholder="请输入用户名/手机号"
               class="input">
    </label>
    <label>
        <input type="password" value="{{ my_form.password }}" name="password" max="20" placeholder="请输入密码"
               class="input">
    </label>
    <input type="submit" class="input" value="开始升级">
</form>
</body>
</html>